@article{MAN_1974__208_162563,
     author = {Katsuei Kenmotsu},
     title = {On {Tori} with {Parallel} {Mean} {Curvature} {Vector} in a {Space} of {Constant} {Curvature.}},
     journal = {Mathematische Annalen},
     pages = {155--160},
     publisher = {mathdoc},
     volume = {208},
     year = {1974},
     zbl = {0263.53036},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162563/}
}